ATP is smaller molecule which can be stored in the cell and release of energy as it is broken down. A. Just the right amount.
B. An excess of
C. Too little

the answer would be knowledge about cars!

the correct answer is 4) heat and pressure

metamorphic rocks arise from transformation of existing rocks types, in a process called metamorphism. during metamorphism the original rock(prolith) change into metamorphic rock by heating (150-200c) and pressure of more than 1000 bar. the original rock can be sedimentary, igneous, or existing metamorphic rock.